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| author | Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz> | 2020-08-19 13:53:58 +1200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-20 16:28:04 -0700 |
| commit | 272502fcb7cda01ab07fc2fcff82d1d2f73d43cc (patch) | |
| tree | a6f06f2de4f3eecdb9438bcdbd9d0d0b4166b20c /net/ipv6/Kconfig | |
| parent | e14fd8da84123fbd7d03aa2c28501879887f2cdd (diff) | |
| download | linux-272502fcb7cda01ab07fc2fcff82d1d2f73d43cc.tar.gz linux-272502fcb7cda01ab07fc2fcff82d1d2f73d43cc.tar.bz2 linux-272502fcb7cda01ab07fc2fcff82d1d2f73d43cc.zip | |
gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
When receiving an IPv4 packet inside an IPv6 GRE packet, and the
IP6_TNL_F_RCV_DSCP_COPY flag is set on the tunnel, the IPv4 header would
get corrupted. This is due to the common ip6_tnl_rcv() function assuming
that the inner header is always IPv6. This patch checks the tunnel
protocol for IPv4 inner packets, but still defaults to IPv6.
Fixes: 308edfdf1563 ("gre6: Cleanup GREv6 receive path, call common GRE functions")
Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/Kconfig')
0 files changed, 0 insertions, 0 deletions